Home / 70,310.34-97,030.76-38,479.23

Finding the Fourth Proportional to 70,310.34, 97,030.76 and 38,479.23

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Solution

The fourth proportional to 70,310.34, 97,030.76 and 38,479.23 is: 53,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310.34 : 97,030.76 = 38,479.23 : x
  2. Step 2: Convert to fraction form
    70,310.34/97,030.76 = 38,479.23/x
  3. Step 3: Cross multiply
    70,310.34x = 97,030.76 × 38,479.23
  4. Step 4: Simplify right side
    70,310.34x = 3,733,668,738.72
  5. Step 5: Solve for x
    x = 3,733,668,738.72/70,310.34
  6. Step 6: Final answer
    x = 53,102.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.